<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>贪吃蛇</title>
</head>
<body>
<div id="main">
  <div id="stage">
    <!-- 蛇 -->
    <div id="snake">
      <div></div>
    </div>

    <!-- 食物 -->
    <div id="food">
      <div></div>
      <div></div>
      <div></div>
      <div></div>
    </div>
  </div>

  <div id="score-panel">
    <div>
      SCORE: <span id="score">0</span>
    </div>
    <div>
      LEVEL: <span id="level">1</span>
    </div>
  </div>
</div>
</body>
</html>